青藏高原东缘常见阔叶木本植物叶片性状对环境因子的响应

杨继鸿,李亚楠,卜海燕,张世挺,齐威

Response of leaf traits of common broad-leaved woody plants to environmental factors on the eastern Qinghai-Xizang Plateau

YANG Ji-Hong,LI Ya-Nan,BU Hai-Yan,ZHANG Shi-Ting,QI Wei

表5 青藏高原东缘常见阔叶木本植物叶片性状与气候因子的多元线性回归模型

Table 5 Multiple regression model of leaf traits of common broad-leaved woody plants varying with climatic factors on the eastern Qinghai-Xizang Plateau

线性模型 Linear regression model AIC R2 p LL = -0.16 + 0.13MTCO + 0.03MGSS - 0.14MGST + 0.20PDR -983.45 0.29 <0.001 LW = -0.65 + 0.13MTCO + 0.30PDR + 0.03MGSS - 0.12MGST -788.19 0.23 <0.001 LL/LW = 0.96 + 0.006PWE - 0.22PDR - 0.0006MAP + 0.03MGSS -1 008.31 0.04 <0.01 LA = -0.91 + 0.26MTCO + 0.52MGSS + 0.47PDR - 0.26MGST -507.75 0.30 <0.001 LT = 0.49 - 0.02PWE - 0.22MGST + 0.11MTCO + 0.03MGSS + 0.39PDR - 0.01 MGSP + 0.002MAP -1 333.81 0.08 <0.001 PL = -0.94 + 0.05MTCO + 0.01MGSS + 0.16PDR -587.23 0.11 <0.001 LWC = 0.37 + 0.01MGST + 0.0002MAP -1 382.27 0.04 <0.01 SLA = 0.05 + 0.02MGSP - 0.17MTCO + 0.34MGST - 0.05MGSS + 0.02PWE - 0.56PDR -0.002MAP -1 237.94 0.08 <0.001 LA/PL = -0.16 + 0.133MTCO + 0.03MGSS - 0.14MGST + 0.22PDR -766.38 0.19 <0.001 SL = 1.10 + 0.01MTCO + 0.002MGSS + 0.05PDR -1 355.05 0.06 <0.001 SW = 1.42 + 0.01MTCO -1 154.49 0.05 <0.001 SL/SW = 0.005 + 0.002MGSS + 0.01PDR - 0.002PWE - 0.005MGST -1 553.84 0.03 <0.05 SA = 2.83 + 0.02MTCO -819.19 0.05 <0.001 SPI = 3.19 + 0.02MTCO -813.97 0.04 <0.001